3919040 has 56 divisors (see below), whose sum is σ = 9613392. Its totient is φ = 1520640.

The previous prime is 3919037. The next prime is 3919049. The reversal of 3919040 is 409193.

It is a happy number.

3919040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3919049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11675 + ... + 12005.

Almost surely, 2^3919040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3919040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4806696).

3919040 is an abundant number, since it is smaller than the sum of its proper divisors (5694352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3919040 is a wasteful number, since it uses less digits than its factorization.

3919040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3919040 is about 1979.6565358668. The cubic root of 3919040 is about 157.6618308069.

The spelling of 3919040 in words is "three million, nine hundred nineteen thousand, forty".